Thanks Christopher - this is awesome work, and is very much appreciated! Mike Prorock mesur.io On Wed, Feb 15, 2023, 20:00 Christopher Allen < ChristopherA@lifewithalacrity.com> wrote: > Since I know that many projects in the broader Credentials Community > already use CBOR, I'd like to announce Blockchain Commons' release of dCBOR > libraries for Rust and Swift. In particular, these two languages > demonstrate our support of use cases for dCBOR for mobile in Android and > iOS: > > - *dCBOR Codec for Rust:* > https://github.com/BlockchainCommons/bc-dcbor-rust > - *dCBOR Codec for Swift:* > https://github.com/BlockchainCommons/BCSwiftDCBOR > > We've also produced a CLI app using our Rust library, which can be used to > test parsing and validation: > > - *dCBOR CLI:* https://github.com/BlockchainCommons/dcbor-cli > > We focused on the deterministic flavor of CBOR per ยง4.2 of RFC-8949 > <https://www.rfc-editor.org/rfc/rfc8949.html#name-deterministically-encoded-c>because > of our specific need to produce deterministically repeatable hashes in the > Merkle Tree underlying our Gordian Envelope > <https://www.blockchaincommons.com/introduction/Envelope-Intro/> data > format. We suspect that there will be others with similar needs and hope > these dCBOR libraries will prove useful for other specs & standards using > CBOR! > > I'd love to get any advice, comments, or thoughts you have on our dCBOR > libraries, as well as any requirements that the libraries may need to meet. > I'd also appreciate to get any CCG-related CBOR test examples that we can > use in documents and examples, such as mDL and COSE tests. > > I'm also happy to discuss why we picked CBOR > <https://www.blockchaincommons.com/introduction/Why-CBOR/> as a data > format and why dCBOR is particularly advantageous, either here or in our discussion > forums at GitHub > <https://github.com/orgs/BlockchainCommons/discussions/184>. > > Thanks! > > -- Christopher Allen > Blockchain Commons >
Received on Thursday, 16 February 2023 03:27:02 UTC